MMIDX
ActiveMFS Municipal Income Fund
Category: US Bond (5,386 funds)
Expense Ratio
0.44%
Annual Cost per $10K
$44.00
30-Year Fee Drag per $10K
$8,852
at 7% annual return
Fund Type
Mutual Fund
Active
Trailing 12-Month
+2.30%
Asset Allocation
US Bond
97%Cash
3%Fee Comparison
MMIDX
0.44%US Bond average
0.76%US Bond cheapest
0.00%Index benchmark
0.03%42% cheaper than category average
Historical Returns
Monthly total returns (dividends reinvested) from SEC N-PORT filings · As of December 2025 · Updated quarterly
+18.58%3Y
Compare to
Fee Impact Calculator
$
%
MMIDX at 0.44%$336,354
At index rates (0.03%)$377,424
Zero fees (theoretical)$380,613
Total fee drag$44,259
Cost vs index fund−$41,071
Similar Funds (100)
Ranked by allocation similarity weighted by fund size · Returns (dividends reinvested) from SEC N-PORT filings · As of December 2025
| Ticker | Name | ER |
|---|---|---|
| MMIDX | MFS Municipal Income Fund | 0.44% |
| VWIUX | VANGUARD INTERMEDIATE-TERM TAX-EXEMPT FUND | 0.09% |
| TLT | iShares 20+ Year Treasury Bond ETF | 0.15% |
| DDTRX | DoubleLine Total Return Bond Fund | 0.43% |
| IEF | iShares 7-10 Year Treasury Bond ETF | 0.15% |
| MUB | iShares National Muni Bond ETF | 0.05% |
| VTIP | VANGUARD SHORT-TERM INFLATION-PROTECTED SECURITIES INDEX FUND | 0.03% |
| VMLUX | VANGUARD LIMITED-TERM TAX-EXEMPT FUND | 0.09% |
| MBB | iShares MBS ETF | 0.04% |
| VGIT | VANGUARD INTERMEDIATE-TERM TREASURY INDEX FUND | 0.06% |
| STRDX | Sterling Capital Total Return Bond Fund | 0.35% |
| FIQZX | Fidelity Intermediate Municipal Income Fund | 0.31% |
| AFTEX | Tax Exempt Bond Fund of America | 0.27% |
| VTEB | VANGUARD TAX-EXEMPT BOND INDEX FUND | 0.03% |
| MTBDX | NYLI MacKay Tax Free Bond Fund | 0.43% |
| MFIAX | MFS Municipal Income Fund | 0.44% |
| VMBS | VANGUARD MORTGAGE-BACKED SECURITIES INDEX FUND | 0.06% |
| AMUSX | U.S. Government Securities Fund | 0.65% |
| VAIPX | VANGUARD INFLATION-PROTECTED SECURITIES FUND | 0.10% |
| MMHEX | NYLI MacKay High Yield Muni Bond Fund | 0.55% |
| SHY | iShares 1-3 Year Treasury Bond ETF | 0.15% |
| FCAVX | Franklin California Tax-Free Income Fund | 0.60% |
| VFIIX | VANGUARD GNMA FUND | 0.21% |
| VGSH | VANGUARD SHORT-TERM TREASURY INDEX FUND | 0.06% |
| VWLUX | VANGUARD LONG-TERM TAX-EXEMPT FUND | 0.09% |
| GOVT | iShares U.S. Treasury Bond ETF | 0.05% |
| GAJPX | Goldman Sachs Dynamic Municipal Income Fund | 0.38% |
| TIP | iShares TIPS Bond ETF | 0.18% |
| MISHX | AB Municipal Income Shares | 0.15% |
| CMPIX | Core Fixed Income Fund | 0.57% |
| FTLTX | Fidelity Series Long-Term Treasury Bond Index Fund | 0.00% |
| VWSUX | VANGUARD ULTRA-SHORT-TERM TAX-EXEMPT FUND | 0.09% |
| FLIBX | American Funds Inflation Linked Bond Fund | 0.36% |
| USFR | WisdomTree Floating Rate Treasury Fund | 0.15% |
| FUTBX | Fidelity SAI U.S. Treasury Bond Index Fund | 0.03% |
| VGLT | VANGUARD LONG-TERM TREASURY INDEX FUND | 0.06% |
| BBMUX | Bridge Builder Municipal Bond Fund | 0.12% |
| FFTQX | Franklin Federal Tax-Free Income Fund | 0.49% |
| HIMFX | American High-Income Municipal Bond Fund | 0.30% |
| IEI | iShares 3-7 Year Treasury Bond ETF | 0.15% |
| VCADX | VANGUARD CALIFORNIA INTERMEDIATE-TERM TAX-EXEMPT FUND | 0.09% |
| JAAA | Janus Henderson AAA CLO ETF | 0.21% |
| SUB | iShares Short-Term National Muni Bond ETF | 0.07% |
| QCILFX | College Retirement Equities Fund - Inflation-Linked Bond Account | — |
| TFLO | iShares Treasury Floating Rate Bond ETF | 0.15% |
| VWAHX | VANGUARD HIGH-YIELD TAX-EXEMPT FUND | 0.17% |
| TLH | iShares 10-20 Year Treasury Bond ETF | 0.15% |
| TRLDX | T. Rowe Price Limited-Duration Inflation Focused Bond Fund, Inc. | 0.30% |
| AIDZX | Diversified Municipal Portfolio | 0.41% |
| VFIRX | VANGUARD SHORT-TERM TREASURY FUND | 0.10% |
| FHIGX | Fidelity Municipal Income Fund | 0.43% |
| SCHP | Schwab U.S. TIPS ETF | 0.03% |
| LMBS | First Trust Low Duration Opportunities ETF | 0.65% |
| SCHO | Schwab Short-Term U.S. Treasury ETF | 0.03% |
| SPTL | SPDR Portfolio Long Term Treasury ETF | 0.03% |
| STIP | iShares 0-5 Year TIPS Bond ETF | 0.03% |
| MMHKX | MFS Municipal High Income Fund | 0.52% |
| AFFMX | American Funds Mortgage Fund | 0.68% |
| FUAMX | Fidelity Intermediate Treasury Bond Index Fund | 0.03% |
| VFITX | VANGUARD INTERMEDIATE-TERM TREASURY FUND | 0.10% |
| FSTDX | Fidelity Series 5+ Year Inflation-Protected Bond Index Fund | 0.00% |
| FTABX | Fidelity Tax-Free Bond Fund | 0.25% |
| FIPDX | Fidelity Inflation-Protected Bond Index Fund | 0.05% |
| TFI | SPDR Nuveen ICE Municipal Bond ETF | 0.23% |
| WMBRX | Allspring Municipal Bond Fund | 0.74% |
| MTLBX | MFS Municipal Limited Maturity Fund | 0.36% |
| OWMBX | Old Westbury Municipal Bond Fund | 0.57% |
| CRAIX | CCM Community Impact Bond Fund | 0.42% |
| SHM | SPDR Nuveen ICE Short Term Municipal Bond ETF | 0.20% |
| FLTEX | Limited Term Tax Exempt Bond Fund of America | 0.37% |
| SCHR | Schwab Intermediate-Term U.S. Treasury ETF | 0.03% |
| FSEC | Fidelity Investment Grade Securitized ETF | 0.36% |
| RBCUX | Tax-Exempt Bond Fund | 0.41% |
| BMNSX | Baird Core Intermediate Municipal Bond Fund | 0.55% |
| USATX | Victory Tax Exempt Intermediate-Term Fund | 0.44% |
| FGORX | Franklin U.S. Government Securities Fund | 0.51% |
| JMBS | Janus Henderson Mortgage-Backed Securities ETF | 0.23% |
| PRTMX | T. Rowe Price Summit Municipal Intermediate Fund | 0.29% |
| PYMAX | PIMCO High Yield Municipal Bond Fund | 0.86% |
| GANPX | Goldman Sachs Short Duration Tax-Free Fund | 0.67% |
| FHYRX | Franklin High Yield Tax-Free Income Fund | 0.50% |
| FSTZX | Fidelity Series 0-5 Year Inflation-Protected Bond Index Fund | 0.00% |
| FIWAX | Fidelity Limited Term Municipal Income Fund | 0.25% |
| FSMNX | Fidelity SAI Municipal Income Fund | 0.36% |
| LONSX | Lord Abbett National Tax-Free Income Fund | 0.54% |
| FGMNX | Fidelity GNMA Fund | 0.45% |
| TRZUX | T. Rowe Price U.S. Treasury Long-Term Index Fund | 0.07% |
| SPTI | SPDR(R) Portfolio Intermediate Term Treasury ETF | 0.03% |
| GBIL | Goldman Sachs Access Treasury 0-1 Year ETF | 0.12% |
| WCPNX | Core Plus Income Fund | 0.45% |
| FDMMX | Fidelity Massachusetts Municipal Income Fund | 0.45% |
| DFIGX | DFA INTERMEDIATE GOVERNMENT FIXED INCOME PORTFOLIO$1M min | 0.12% |
| PMLAX | PIMCO Municipal Bond Fund | 0.75% |
| MNODX | NYLI MacKay New York Muni Fund | 0.49% |
| HYMOX | Lord Abbett High Income Municipal Bond Fund | 0.58% |
| VCLAX | VANGUARD CALIFORNIA LONG-TERM TAX-EXEMPT FUND | 0.09% |
| ACITX | Inflation-Adjusted Bond Fund | 0.54% |
| FSPWX | Fidelity SAI Inflation-Protected Bond Index Fund | 0.05% |
| CMF | iShares California Muni Bond ETF | 0.08% |
| UIITX | Victory Core Plus Intermediate Bond Fund | 0.41% |
| FSAJX | Fidelity SAI Tax-Free Bond Fund | 0.25% |
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